2018039 has 4 divisors (see below), whose sum is σ = 2061024. Its totient is φ = 1975056.

The previous prime is 2018021. The next prime is 2018041. The reversal of 2018039 is 9308102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9308102 = 2 ⋅4654051.

It is a cyclic number.

It is not a de Polignac number, because 2018039 - 2⁸ = 2017783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21422 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (515256).

2^2018039 is an apocalyptic number.

2018039 is a deficient number, since it is larger than the sum of its proper divisors (42985).

2018039 is an equidigital number, since it uses as much as digits as its factorization.

2018039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42984.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2018039 is about 1420.5769954494. The cubic root of 2018039 is about 126.3697670777.

The spelling of 2018039 in words is "two million, eighteen thousand, thirty-nine".